AddressTableLookup uncached

addresstables_uncached.ts

export const getAddressLookupTableAccounts_Uncached = async (
    addressLookupTableAddresses: string[]
): Promise<AddressLookupTableAccount[]> => {
    const keys = Array.from([...new Set(addressLookupTableAddresses)]);
    const addressLookupTableAccountInfos = await getAccountInfos(await Promise.all(keys.map(async key => Promise.resolve(new PublicKey(key)))));
    return await Promise.all(
        addressLookupTableAccountInfos.map(
            async (account, index) => {
                const addressLookupTableAddress = keys[index];
                if (addressLookupTableAddress) {
                    const {publicKey, accountInfo} = account;
                    return Promise.resolve(new AddressLookupTableAccount({
                        key: publicKey,
                        state: AddressLookupTableAccount.deserialize(accountInfo.data),
                    }));
                }
            }
        )
    );
};


export async function* generateAccountInfos(
    publicKeys: PublicKey[],
    chunkSize: number = 100,
    commitment: Commitment = "confirmed"
): AsyncGenerator<{ publicKey: PublicKey, accountInfo: AccountInfo<Buffer>, slot: number }> {
    for (let i = 0; i < publicKeys.length; i += chunkSize) {
        const chunk = publicKeys.slice(i, i + chunkSize);
        const accountInfos = await connection.getMultipleAccountsInfoAndContext(chunk, { commitment });
        for (const [index, accountInfo] of accountInfos.value.entries()) {
            yield { publicKey: chunk[index], accountInfo, slot: accountInfos.context.slot };
        }
    }
}

export const getAccountInfos = async (
    publicKeys: PublicKey[],
    chunkSize: number = 100,
    commitment: Commitment = "confirmed"
): Promise<{ publicKey: PublicKey, accountInfo: AccountInfo<Buffer>, slot: number }[]> => {
    const accountInfos = [];
    for await (const accountInfo of generateAccountInfos(publicKeys, chunkSize, commitment)) {
        accountInfos.push(accountInfo);
    }
    return accountInfos;
}